Last month he created a wiki page on the Internet to solicit help in creating a decentralized, purely digital stock trading system that would use Bitcoin's blockchain – the mechanism that records and verifies all the transactions – as its foundation.

"You would have an instant, frictionless market, while having the added benefit of wiping out a whole parasitic class of society – that is, the whole financial industry," Byrne told Wired in February.

Besides the Big Banks, Byrne told CoinDesk the system would bypass the Depository Trust & Clearing Corp. (DTCC), which provides clearing and settlement services to the U.S. capital markets.

It's no surprise Byrne would seize upon a Bitcoin stock system as a weapon – this is not the first time he's targeted the powers of Wall Street…

A Legacy of Fighting Wall Street

Back in 2005, Byrne became notorious for his accusations that Wall Street was using naked short selling techniques to manipulate the prices of his and other companies' stock for their own gain. In naked short selling, a trader doesn't borrow shares to sell on the market – they simply sell shares they don't have.

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